SecondaryStorageVmDefaultAllocator.java

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
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package com.cloud.storage.secondary;

import java.util.List;
import java.util.Map;
import java.util.Random;


import org.springframework.stereotype.Component;

import com.cloud.utils.component.AdapterBase;
import com.cloud.vm.SecondaryStorageVmVO;

@Component
public class SecondaryStorageVmDefaultAllocator extends AdapterBase implements SecondaryStorageVmAllocator {

    private String _name;
    private Random _rand = new Random(System.currentTimeMillis());

    @Override
    public SecondaryStorageVmVO allocSecondaryStorageVm(List<SecondaryStorageVmVO> candidates, Map<Long, Integer> loadInfo, long dataCenterId) {
        if (candidates.size() > 0)
            return candidates.get(_rand.nextInt(candidates.size()));
        return null;
    }
}